浙江省温州市龙湾区实验中学九年级英语全册 Unit 6 When was it invented？（第2课时）教案 人教新目标版.doc

unit 6 when was it invented？教学目标 1. 语言技能目标能回答what are they used for？在听、说中掌握语言知识目标。2. 语言知识目标a. words and phrases：be used for，scoop，adjustable，heel，battery，operate，light bulb，microwave oven， b news patterns：what was it/are they used for? its/theyre used for +v.ing.3. 学习策略目标通过了解这些发明的用途,让学生边学边用,学用结合,学以为用, 以用促学.4. 情感态度目标通过学生在活动中的体验,提高学生对社会生活的认识,培养他们从小爱动脑、热爱科学、崇尚科学的精神和品格。一. 教学重点1.学生能掌握新的词汇和短语的相关用法。2.用英语 “i agree./i disagree. i think” 表达自己的观点。3.对于生活中常用到的家电，能用英语谈谈优缺点。二. 教学难点进行小创作、小发明实践活动，并能用英语叙述过程。三. 教具ppt四. 教学过程step1.revision1. t：when was the car invented？ ss：it was invented in who was invented it by？ ss：it was invented by（复习1b的内容）step2.presentation1 t：many inventions are widely used in our daily life. what is it? s1：its a . t: what is it used for? s2：its used for.（teach: microwave oven, light bulb ） ( practice：be used for +v.ing）. t：a: what are light bulbs used for? b: they are used for seeing in the dark.2.work in pairs: -whats it/ are they? its a/antheyre -what is it /are they used for? its/theyre used for. 3.practice: be used for +v.ing （ 连线 ）step3.listening1.t：inventions are everywhere.have you ever seen these inventions？shoes with high heels - shoes with adjustable heelsice cream scoop - heated ice cream scoopbattery - battery-operated slippers2. t：listen and number the inventions in the order that you hear.（2a）3. t：listen again. match the inventions with their inventors and uses.（2b）step4.practice1.make a dialogue（pairwork）according to the listening materal.2. t：new inventions are invented all the time. most of the inventions are helpful, but some of them are annoying. please make a list.（3a）3. pairwork（3b）discuss your opinions in 3a with your partner. a: what do you think is the most helpful invention?b: i think the most helpful invention is the light bulba: why is that?b: well, it gives people more time to work and play every day.a: what do you think is the most annoying invention?b: i think the most annoying invention is junk fooda: why is that?b: well,eating too much of it is bad for our health4. groupwork imagine that you are alone on a tiny(小的) island. if you can only take five inventions, what would you take? why?eg：if i am alone on a tiny island, first, id like to have because. then. next.then finally.step3. homework1.listen2a、2b2. make sentences：be used for3. wb4.writing六.bb designunit9 when was it invented? section a(2a-4)be used for，microwaveoven，scoop，